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From: | Ana Sofia Morais |
Subject: | [igraph] sort an edge sequence |
Date: | Sat, 17 Jul 2010 16:35:14 +0200 |
Hello, I have an edge sequence taken from a
directed graph, such as: [55354] 1850 -> 618 [55355] 1850 -> 750 [55356] 1850 -> 1914 [55357] 1850 -> 649 [55358] 1850 -> 1160 [55359] 1850 -> 605 [55360] 1850 -> 2080 [55361] 1850 -> 563 [55362] 1850 -> 58 The first number in each line is the edge
id. The second number and third numbers are the ids of the vertices that send and
receive the edge, respectively. The edge sequence is ordered by the edge ids.
What I need to do is to sort the edge sequence by the id of the endpoint vertices,
i.e., those that receive the edges. And I need to do so while preserving the
edge ids. I would be very grateful
if you could give me a suggestion to solve this problem. Best, Sofia |
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